Far-Infrared Reflectance of the Sintered Samples of Y-Ba-Cu-O at Different Quenching Temperature

Chin. Phys. Lett.

1991, Vol. 8

Issue (1): 36-39 DOI:

Original Articles

Far-Infrared Reflectance of the Sintered Samples of Y-Ba-Cu-O at Different Quenching Temperature

ZENG Wensheng;ZHANG Guizhong;LI Zengfa;ZHANG Guangyin;YANG Xiaoming^*;YAN Jie^*;SONG Deying^*

Department of Physics, Nankai University, Tianjin 300071 ^*Department of Chemistry, Nankai University, Tianjin 300071

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ZENG Wensheng, ZHANG Guizhong, LI Zengfa et al 1991 Chin. Phys. Lett. 8 36-39

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Abstract The sintered samples of Y-Ba-Cu-O were quenched in air at different temperatures from 950 to 300℃ and their room-temperature far-infrared reflectance spectra were obtained. The spectra were studied by using the Drude model and Lorentzian phonon. From the curve of carrier density us quench temperature, an orthorhombic-tetragonal phase change is indicated. The phonon oscillation strength changes were explained by the abnormal sensibility in the reflectance spectra.

Keywords: 78.20.Ci 78.30.Hv 74.30.Gn

Published: 01 January 1991

PACS:	78.20.Ci	(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
	78.30.Hv	(Other nonmetallic inorganics)
	74.30.Gn

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1991/V8/I1/036

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	ZENG Wensheng
	ZHANG Guizhong
	LI Zengfa
	ZHANG Guangyin
	YANG Xiaoming
	YAN Jie
	SONG Deying

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